The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon.
The faster a kangaroo hops, the less energy it burns!
More Animals Facts
The fingerprints of koala bears are virtually indistinguishable from those of humans, so much so that they could be confused at a crime scene.
The first two years of a dog's life are equal to 24 human years.